Home / 25,811.80-35,620.31-15,064.07

Finding the Fourth Proportional to 25,811.80, 35,620.31 and 15,064.07

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Solution

The fourth proportional to 25,811.80, 35,620.31 and 15,064.07 is: 20,788.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,811.80 : 35,620.31 = 15,064.07 : x
  2. Step 2: Convert to fraction form
    25,811.80/35,620.31 = 15,064.07/x
  3. Step 3: Cross multiply
    25,811.80x = 35,620.31 × 15,064.07
  4. Step 4: Simplify right side
    25,811.80x = 536,586,702.82
  5. Step 5: Solve for x
    x = 536,586,702.82/25,811.80
  6. Step 6: Final answer
    x = 20,788.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.